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Only 1.5 Million polygons ?........
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Only 1.5 Million polygons ?........ // Archive: Tech Forum
Post by RAYMAN // Feb 19, 2008, 12:16pm
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RAYMAN
Total Posts: 1496
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Hi !
Made this simple object and tried to render in Vray !
While it only " just " imports into modelside with the help of Luuv
it renders in Vray !
If i use a second duplicate of it its to much for Vray (bridge off)!
Workspace can take even more about 5 Million polys but gets painfully slow then.
The glass render of the balls 3 million poly is a render in Kerkythea and took around 30 seconds to render.At that point Vray didnt render at all !
Anyone have any experience how high one can get in Vray ?
Peter |
Post by jamesmc // Feb 19, 2008, 12:30pm
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jamesmc
Total Posts: 2566
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Anyone have any experience how high one can get in Vray ?
I found it best to remain sober while using Vray. |
Post by Jack Edwards // Feb 19, 2008, 12:52pm
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Jack Edwards
Total Posts: 4062
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It's likely an out of memory error. Check your memory usage. Until TS (and VRay) goes 64 bit there is a hard memory limit of 2GB. |
Post by RAYMAN // Feb 19, 2008, 12:53pm
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RAYMAN
Total Posts: 1496
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Anyone have any experience how high one can get in Vray ?
I found it best to remain sober while using Vray.
Yeah your right !
but its pretty interesting to see what can be done !
I forgot to say that the sysytem is Ts 7.51 + Vray Vista 32 bit !
Intel Quadc. Q 6600 with 3 gig of ram and a 512 NV 8600 Gs
Vue had problems to load 3 Million too and just made it !
Rendered with 3 million polys.
This is all without instancing !
Workspace side ( realtime )is pretty good )!:)
Peter |
Post by RAYMAN // Feb 19, 2008, 12:58pm
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RAYMAN
Total Posts: 1496
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It's likely and out of memory error. Check your memory usage. Until TS (and VRay) goes 64 bit there is a hard memory limit of 2GB.
Jack yes thank you !
It is out of memory .... but it is interesting what is the limit at the moment for 32 bit !
i was trying to find out how each is using the system !
Vray hogs up memory pretty fast !:rolleyes:
Peter |
Post by TomG // Feb 19, 2008, 2:14pm
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TomG
Total Posts: 3397
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2Gb is the limit in the 32 bit system. Note that quite how many polys that translates to depends on whether the bridge is on or of, what materials are used, what kind of geometry it is, use of things like GI and other items that will require more memory to render, and so on.
Basically as soon a V-Ray hits 2Gb memory usage, it will stop rendering (and most likely crash).
This is an addressing limit for 32 bit software - they can only ever address 2Gb of memory for themselves (note that having 4Gb in a 32 bit OS is still useful, since the 2Gb limit is for an individual program running under that OS - but having 4Gb installed won't expand any individual program beyond being able to use 2Gb of that memory).
HTH!
Tom |
Post by RAYMAN // Feb 19, 2008, 2:34pm
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RAYMAN
Total Posts: 1496
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Thank you Tomas for clarifying this !
Yes I know 2 gig is the limit for the 32 bit system ......
But what is interesting is how thes 2 gigs are used and
I am pleasently surprised that workspace realtime can
handle that many polygons with 2 gig of ram......
While Vray needs pretty much ram compared .....
Or if you look at a car while all have a 1500 ccm motor
they dont go the same speed....
Peter |
Post by TomG // Feb 19, 2008, 2:44pm
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TomG
Total Posts: 3397
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Good analogy with the car, basically your engine is the same, but the weight of the car differs so you get different performance :)
With V-Ray, it has more to handle if you are using GI, raytraced shadows, soft shadows, raytraced transmission, etc. This adds on top of what the real-time engine handles, though of course you can reduce that by turning off those features in V-Ray.
The real-time engine does do an awesome job of handling poly heavy scenes though, I have had the pleasure of walking through some of Marcel's real-time scenes and despite a lot of geometry and lighting, they run very smoothly in real-time.
Interesting topic though a fun one to explore :)
Thanks!
Tom |
Post by Ambrose // Feb 19, 2008, 7:48pm
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Ambrose
Total Posts: 261
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Hey Rayman
If no one has told you so yet, the first pic is really really nice.
Would fit nicely on a big wall somewhere, I love those thingies ;)
Keep up the good work!
SeYa/Ambrose... |
Post by RAYMAN // Feb 19, 2008, 10:08pm
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RAYMAN
Total Posts: 1496
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Thank you Ambrose !
Those are just finger lessons .....
Just turned out to be 1,5 million poly each so was a good benchmark
in the end for my renderengines.
But that was more by accident !:D
Peter |
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